{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183840",
    "entityType": "User",
    "nonce": "0x2baaa982d583b57083d002199b02c943ba61517e0f642e2dd17bbbd95a84ba22",
    "signature": "0xd5a0ec285d4a31dd330f635f5d42396c9a01bbeeed0281880448aac4e7efbecb2d497cb3bd5be7cd313bff4786e02ce78f82c7a3b34c4ad844eb8308f98fdc7c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}